condition	mean	min	max
4 h after light	4.983874999999999	4.96338	5.00437
8 h after light	3.8601550000000002	3.67736	4.04295
12 h after light	4.272095	3.81771	4.72648
4 h after dark	4.718764999999999	4.70815	4.72938
8 h after dark	4.57615	4.38337	4.76893
12 h after dark	5.259365000000001	5.16938	5.34935